Current Attempt in Progress A solenoid that is 120 cm long has a cross-sectional area of 19.8 cm2. There are 952 turns of wire carrying a current of 9.63 A. (a) Calculate the energy density of the magnetic field inside the solenoid. (b) Find the total energy in joules stored in the magnetic field there (neglect end effects). (a) Number Units (b) Number i UnitsCurrent Attempt in Progress Two coils are at fixed locations. When coil 1 has no current and the current in coil 2 increases at the rate 16.2 A/s, the emf in coil 1 is 26.3 mV. (a) What is their mutual inductance? (b) When coil 2 has no current and coil 1 has a current of 5.10 A, what is the flux linkage in coil 2? (a) Number i Units (b) Number i Units eTextbook and Media Attempts: 0 of 3 used SubmitCurrent Attempt in Progress Straight and triangle wires. In the gure below, a long straight wire lies in the same plane as an equilateral triangle formed from a wire of length 35'. The long wire is parallel to one side of the triangle and at distance d from the nearest vertex. What is the mutual inductance M of the wire and triangle